#555F8F

#555F8F

Color Values

HEX

#555F8F

RGB

85, 95, 143

HSL

229.7, 25.4%, 44.7%

HSV

229.7, 40.6%, 56.1%

CMYK

40.6%, 33.6%, 0.0%, 43.9%

OKLCH

0.4978 0.0778 274.3

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#555F8F

#8F8555

Analogous

#557C8F

#68558F

#555F8F

Triadic

#555F8F

#8F555F

#5F8F55

Split Complementary

#555F8F

#8F6855

#7C8F55

Tetradic

#555F8F

#8F557C

#8F8555

#558F68

Color Blindness Simulation

Original

#555F8F

Protanopia

#595983

Deuteranopia

#595881

Tritanopia

#567A78

Achromatopsia

#606060

CSS Usage

background-color: #555F8F;
color: #555F8F;
border-color: #555F8F;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F6F6F9
100
#E9EBF1
200
#D2D5E4
300
#B2B8D1
400
#8991B9
500
#5F6AA0
600
#4C5580
700
#3D4466
800
#303550
900
#25293C
950
#181A26

Contrast Checker

Text on white

6.14:1

AA Pass AAA Fail

Text on black

3.42:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026